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    <title>Document</title>
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    <script>
        // let fn = (val)=>{
        //     return {
        //         name:"老王",
        //         age:18
        //     }
        // }

        let fn = (val)=>(
                {
                    name:"老王",
                    age:18
                }
            )

        console.log(fn());

    </script>
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